Re: [PATCH 0/4] New Qualcomm PMIC pin controller drivers

From: Bjorn Andersson
Date: Sat Jul 12 2014 - 19:51:53 EST

On Thu, Jul 10, 2014 at 6:39 AM, Ivan T. Ivanov <iivanov@xxxxxxxxxx> wrote:
> On Wed, 2014-07-09 at 07:02 -0700, Bjorn Andersson wrote:
>> Correct Ivan; we do however share the same issues related to how to do
>> interrupt handling,
> Yep, but do we actually need to do interrupt handling in driver?
> Interrupts are handled by parent device. GPIO client drivers could
> use interrupt-controller registered by core driver?

Among other things we have the volume and camera keys hooked to these
pins, using the gpio-keys driver; so that needs to be able to convert
a gpio to an irq.
But I don't believe we should turn this driver into an
interrupt-controller; as that wouldn't add any value...

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